SOLUTION: Solve for x: (x + 1)^3/2 = 8 A. 3 B. 5 C. 21.63 D. 25 E. None of these.

Algebra ->  Exponents -> SOLUTION: Solve for x: (x + 1)^3/2 = 8 A. 3 B. 5 C. 21.63 D. 25 E. None of these.      Log On


   

Question 285781: Solve for x: (x + 1)^3/2 = 8
A. 3 B. 5 C. 21.63 D. 25 E. None of these.
Answer by nabla(475) About Me  (Show Source):
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Take each side of the equation to the 2/3. 8^(2/3)=4.
So we want x+1=4->x=3. Answer A.